Finding the Third Proportional to 349,930.50 and 767,658

Step by Step Solution

1. Step 1: Write the proportion equation
   349,930.50 : 767,658 = 767,658 : x
2. Step 2: Convert to fraction form
   349,930.50/767,658 = 767,658/x
3. Step 3: Cross multiply
   349,930.50x = 767,658 × 767,658
4. Step 4: Simplify right side
   349,930.50x = 589,298,804,964
5. Step 5: Solve for x
   x = 589,298,804,964/349,930.50
6. Step 6: Final answer
   x = 1,684,045.27